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Mcqs MBBS Exams India
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Home >> Biochemistry >> Mcqs Page 12
(Single Best Answer) Question 111: The electron flow in Cytochrome C oxidase can be blocked by ?
A) Rotenone
B) Antimycin â?? A
C) Cyanide
D) Actinomycin
Answer (Select an option above to get the answer):
(Single Best Answer) Question 112: There is distance of 40nm between 2 fibrils of collagen linked by 1 of the following and it acts as a site of calcium deposition, it is ?
A) Fe
B) Protein
C) Carbohydrate
D) Zn
Answer (Select an option above to get the answer):
(Single Best Answer) Question 113: Which of the following agent is used to send a blood sample for estimation of blood glucose level ?
A) E.D.T.A.
B) Potassium Oxalate
C) Postassium Oxalate + NaF
D) Potassium Oxalate + NaI
Answer (Select an option above to get the answer):
(Single Best Answer) Question 114: Genetic code is ?
A) Degenerate
Answer (Select an option above to get the answer):
(Single Best Answer) Question 115: Amyloid beta pleated sheets are best viewed by ?
A) Scanning electron microscopy
B) X-ray crystallography
C) Apple green florescence in congo red staining
D) Polarizing electron microscope
Answer (Select an option above to get the answer):
(Single Best Answer) Question 116: The function of cellular cytochrome C is ?
A) Apoptosis
B) Cell Necrosis
C) Electron Transport
Answer (Select an option above to get the answer):
(Single Best Answer) Question 117: Where does glucocorticoids bind in the DNA receptor site ?
A) Zinc finger motiff
B) Leucine zipper motiff
C) Helix turn helix motiff
Answer (Select an option above to get the answer):
(Single Best Answer) Question 118: Defect in alpha 5 of typeIV collagen seen in ?
A) Alport's syndrome
B) Thin membrane disease
Answer (Select an option above to get the answer):
(Single Best Answer) Question 119: The following is a generalized diagram of a typical eukaryotic gene. [Diagram] What it the most likely effect of a 2bp insertion in the middle of the intron ?
A) Normal transcription, altered translation
B) Defective termination of transcription, normal translation
C) Normal transcription, defective mRNA splicing
D) Normal transcription, normal translation
Answer (Select an option above to get the answer):
(Single Best Answer) Question 120: A nucleic acid was analyzed and found to contain 32% adenine, 18% guanine, 17% cytosine and 33% thymine. The nucleic acid must be ?
A) Single-stranded RNA
B) Single-stranded DNA
C) Double-stranded RNA
D) Double-stranded DNA
Answer (Select an option above to get the answer):